Setup Arduino sketch

setup.cpp

// Setup the sketch.
void setup() {
  // we're going to spit some messages out to the serial port. 
  Serial.begin(19200);

  // create the device instances
  
  // blink on and off every two seconds.
  bc      = new Blinker(2000); 
  
  // dump a memory report every 5 seconds
  fm      = new FreeMemoryReport(5000); 
  
  // setup a switch on pin 10 of the arduino board. 
  sw1     = new Switch(10); 
  
  // a temperature sensing device
  tc      = new Thermocouple(); 
  
  // 'when' is how we setup an event handler. 
  
  // in this programming model, app is implicitly defined when you 
  // declare the States and the individual states in the state machine
  // are all basic events.
  when(app->starting, {
    // app is starting
    Serial.println("The app starting");

    // in this state, we'd like to trigger an event when our switch 
    // is closed:
    when(sw1->is(closed), {
      Serial.println("switch was closed");
      
      // 'after' will schedule the following code to run after a given
      // number of milliseconds has passed.
      after(1000, { 
        Serial.println("was closed a second ago."); 
        switchTo(processing);
      });
    });
  });
  
  when(app->processing, {
    Serial.println("ok, now we're in the processing stage");
    
    // do some more sample code..
    after(1000, {
      Serial.println("after 1000 msec in processing");
      after(2000, { 
        Serial.println("after 3000 msec or so in processing"); 
      });
    });
    
    when( tc-> temperature.deceeds(200), {
      // this event will fire once when the temperature is below 200C
      // or if it went higher than 200C and then dropped down again.
      
      // if the temperature goes below 200C, 
      // then we could turn on the heating element..
      Serial.println('turning on the heating element');
      // ie, heater->enable();
    });
    
    when( tc->temperature.exceeds(200), {
      // when we hit 200C, we want to proceed to the final state
      switchTo(cleanup);
    });
  });
  
  // kick off the first state. (I may optimize this out entirely soon... 
  after(1, { switchTo(starting) });
}